Developer Tools & APIs
APIs, SDKs, MCP, IDEs, developer platforms, and technical migration updates.
Claude Agent SDK Billing Splits on June 15: What the New Credit Pool Means for Your Plan
From June 15, Claude Agent SDK, claude -p, GitHub Actions, and third-party agents draw from a separate monthly credit, not your subscription quota.
Claude Code v2.1.169: Safe Mode, /cd Command, and a Pile of Bug Fixes
Claude Code v2.1.169 adds --safe-mode for clean troubleshooting sessions, a /cd command that preserves prompt cache, and fixes for Windows, background agents, and enterprise MCP policies.
Claude for Chrome Is Now Generally Available: What the Browser Extension Means for Your Dev Workflow
Anthropic's Claude for Chrome extension has exited preview and is now generally available to all direct paid plan users, bringing browser automation into Claude Code.
Claude Sonnet 4 and Opus 4 are gone from the API — here's what to do
As of June 15, 2026, claude-sonnet-4-20250514 and claude-opus-4-20250514 return errors. Migrate to Sonnet 4.6 and Opus 4.8.
OpenAI's GPT-Realtime-2.1 Brings Better Reasoning and 25% Lower Latency to Voice Agents
OpenAI ships gpt-realtime-2.1 and gpt-realtime-2.1-mini with improved reasoning, noise handling, and a 25%+ p95 latency cut across all Realtime voice models.
Google is deprecating Veo 2 and Veo 3 on the Gemini API — here's what you need to do before June 30, 2026
Veo 2 and Veo 3 model IDs on the Gemini API are being shut down on June 30, 2026. Migrate to Veo 3.1 Preview or the Enterprise GA models now.
Google is shutting down its Gemini image preview models on June 25 — here's how to migrate
Gemini's preview image generation models are deprecated with a hard shutdown on June 25, 2026. Here's what to change and when.
Google Lyria 3 Pro Is Now Available on Vertex AI — Here's What Developers Get
Google has opened Lyria 3 Pro and Lyria 3 Clip to enterprise developers via Vertex AI, marking the first public API access to the Lyria 3 model family.
Codex CLI v0.139.0: Code Mode Can Now Search the Web Mid-Task, and Complex Tool Schemas Finally Stay Intact
Codex CLI v0.139.0 lets code mode call web search directly, including from nested JS tool calls, and fixes oneOf/allOf schema preservation for MCP tools.
Claude Code v2.1.178: Precise Tool Permissions, Smarter Config Resolution, and Safer Sub-Agents
Claude Code's latest release adds parameter-level permission syntax, proximity-based .claude/ directory resolution, and pre-launch safety screening for sub-agents.
Gemini Code Assist and Gemini CLI are shutting down for consumer tiers on June 18, 2026 — here's how to migrate to Antigravity
Google is retiring Gemini Code Assist IDE extensions and Gemini CLI for free, Pro, and Ultra users on June 18, 2026. Migration to Antigravity CLI is required.
Codex Gets Chrome DevTools Protocol Access in New Developer Mode
Codex's new Developer mode gives the agent controlled CDP access to profile JavaScript, inspect network traffic, and debug live browser state.
Codex Now Imports Your Claude Code Setup — And It's Built Right Into Onboarding
OpenAI's latest Codex update adds guided migration from Claude Code and Claude Cowork, plus a revamped plugins screen with filters and keyboard navigation.
Anthropic adds an observability dashboard and in-app submission flow for Claude MCP connector owners
Claude's new public-beta dashboard gives MCP connector owners usage metrics, error diagnostics, and latency data — plus a direct submission flow to the connectors directory.
Anthropic Pauses Its Agent SDK Billing Change on the Day It Was Supposed to Launch
Anthropic pulled back its planned Agent SDK credit separation on June 15, the day it was set to go live, saying it will rework the plan before any future change.
Microsoft Work IQ API Is Now Generally Available: What It Does, What It Costs, and What You Need to Do
Microsoft's Work IQ API reached GA on June 16, bringing an agent-ready intelligence layer for Microsoft 365 with consumption-based Copilot Credits billing.
Google Extends Gemini 2.5 Retirement on Vertex AI to October 2026
Google has pushed the Vertex AI retirement date for Gemini 2.5 Pro, Flash, and Flash-Lite to October 16, 2026, giving developers more time to migrate to Gemini 3.x.
claude-mythos-preview Is Deprecated — But Its Replacement Is Currently Unavailable
Anthropic has formally deprecated claude-mythos-preview with a June 30 2026 retirement date, directing developers to migrate to claude-mythos-5 — which is currently suspended.
ClaudeForFoundationModels: Anthropic's Swift package brings Claude into Apple's Foundation Models framework
Anthropic's new Swift package lets iOS/macOS 27 developers use Claude as a drop-in server-side model via Apple's LanguageModelSession API.
Gemini Interactions API: The June 8 Hard Removal Is Done — Here's What Breaks and How to Fix It
The legacy Gemini Interactions API outputs schema was permanently removed on June 8, 2026. Here's what changed, what's broken, and how to migrate.
Claude Code Gets Push Notifications, Fullscreen TUI, and Smarter Session Resume
Five focused updates to Claude Code: mobile push notifications, /tui fullscreen mode, PR URL resume, Bedrock tier control, and project purge.
Codex CLI Gets Session Archiving, Clickable Terminal Links, and Safer Remote Control
The latest Codex CLI update adds session archiving, OSC 8 hyperlinks in TUI markdown, richer MCP status, and short-lived WebSocket tokens for remote control.
Gemini Image Models Hit GA: What the Flash and Pro Releases Mean for Developers
Google's gemini-3.1-flash-image and gemini-3-pro-image are now generally available, with video-to-image generation added and preview models shutting down June 25.
Anthropic Claude API: Zero-Cost Refusals and a Smarter Advisor Tool for Agentic Pipelines
Anthropic now bills zero for API refusals with no output, and the advisor tool gets a max_tokens cap to control cost and latency in agentic workloads.
Anthropic is retiring Claude Opus 4.1 on August 5, 2026 — here's what developers need to do
Anthropic has deprecated claude-opus-4-1-20250805 with a retirement date of August 5, 2026. Opus 4.8 is the recommended replacement.
Claude Code v2.1.160: Faster auto mode, fewer CI headaches, and a raft of bug fixes
Claude Code v2.1.160 cuts auto mode classifier latency, fixes Bedrock/Vertex/Foundry CI failures, and resolves Bazel, OneDrive, CJK, and voice mode bugs.
Claude Code v2.1.163: Version Guardrails, Plugin Management, and a Sweep of Windows Fixes
Claude Code's latest release adds enterprise version enforcement, a /plugin list command, hook improvements, and fixes a pile of Windows and terminal rendering issues.
Google Gemini API now supports event-driven webhooks — no more polling for batch jobs
Google's Gemini API now pushes notifications when batch jobs and long-running operations finish, eliminating the need to poll for status.
Claude Code: 'workflow' renamed to 'ultracode', parallel Bash bug fixed, and OTEL team-level metrics added
Claude Code renames its dynamic-workflow trigger to 'ultracode', fixes a Bash parallel batch bug, tidies the MCP panel, and adds OTEL resource-attribute labels.
Claude Code Now Auto-Loads Plugins from Local Directories — No Marketplace Required
Claude Code gains filesystem-first plugin loading from .claude/skills, a scaffolding command, autocomplete, and hot-reload — no marketplace needed.
Microsoft Build 2026: Windows Agent Framework Goes Open Source, Project Polaris Takes Aim at GitHub Copilot's Future
Microsoft open-sourced its Windows Agent Framework, unveiled Project Polaris to replace GPT-4 Turbo in Copilot, and shipped Copilot Workspace as GA at Build 2026.
OpenAI Container Sessions Now Billed Per Minute — Short Sessions Get Cheaper from June 2
OpenAI switches container billing to per-minute with a 5-minute minimum from June 2, 2026, cutting costs for sessions under 20 minutes.
OpenAI's Secure MCP Tunnel lets private servers talk to ChatGPT without opening your firewall
OpenAI's GA Secure MCP Tunnel uses an outbound-only tunnel-client daemon so private MCP servers can serve ChatGPT, Codex, and the Responses API with no inbound firewall rules.
GitHub Copilot Now Bills by Token: What the Switch to AI Credits Means for Your Workflow
GitHub Copilot replaced flat premium request units with token-based AI Credits on June 1, 2026. Here's what changed and who it affects most.
Anthropic Acquires Stainless: What It Means for Developers Building on Claude
Anthropic has acquired Stainless, the startup behind every official Claude SDK and MCP server generator, in a deal reportedly worth over $300M.
OpenAI launches GPT-Realtime-2, GPT-Realtime-Translate, and GPT-Realtime-Whisper in its API
OpenAI releases three purpose-built voice models in its Realtime API, bringing GPT-5-class reasoning, live translation, and streaming transcription to developers.
Gemini API File Search now handles images, custom metadata, and page-level citations
Google's Gemini API File Search gains multimodal support, metadata filtering, and page-level citations, making verifiable RAG practical for real-world mixed content.